The Parsnip Webworm Moth (Depressaria radiella) is a moth species whose larvae feed on plants in the carrot family, including wild parsnip.
Taxonomy and Classification
- Order: Lepidoptera
- Family: Depressariidae
- Genus: Depressaria
- Species: Depressaria radiella
Physical Description
- Wingspan: 20–28 mm
- Color: Grayish brown
- Larvae: Green caterpillars with black markings
Distribution and Habitat
This species occurs across much of North America and Europe.
- Fields
- Roadside vegetation
- Areas where wild parsnip grows
Behavior and Damage
The larvae feed inside flower heads and spin webs around the plant.
Management and Prevention
- Remove infested plants
- Control invasive wild parsnip populations
Conservation and Research
Parsnip webworms are often studied in relation to plant chemical defenses.